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50JZ
Single-Packaged 50Hz, CE Electric Heat Pump Units
with Puron® (R-410A) Refrigerant
Visit www.carrier.com
A Guide to Operating and Maintaining Your
Single-Packaged Electric Heat Pump Units
NOTE: Read the entire instruction manual before starting the 2. Ice or frost tends to form on the coil during winter heating
installation. operation. Your heat pump is designed to automatically melt
the ice. When in this defrost cycle, it is normal for steam or
SAFETY CONSIDERATIONS
fog to rise from the ou
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Table 1—Indoor-Air Filter Data UNIT SIZE 024 030 036 048 060 50JZ (50HZ) RETURN-AIR 20” x 20” 20” x 20” 20” x 24” 24” x 30” 24” x 30” FILTERS (mm.) (508 x 508) (508 x 508) (508 x 609.6) (609.6 x 762) (609.6 x 762) Throwaway Step 4—Defrost Mode When your heat pump is providing heat to your home or office and 1. TURN OFF ELECTRICAL POWER TO YOUR UNIT the outdoor temperature drops below 45°F/7.2°C, moisture may BEFORE SERVICING OR PERFORMING MAINTE- begin to freeze on the surface of the coil. If al
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1. Inspection and, if required, cleaning of the outdoor and indoor coils. Neveroperate your unit without the filter(s) in place. Failure 2. Inspection and, if required, cleaning of the indoor coil drain to heed this warning may result in damage to the blower pan. motor and/or compressor. An accumulation of dust and lint on 3. Inspection and cleaning of blower wheel housing and motor. internal parts of your unit can cause loss of efficiency and , in some cases, a fire. 4. Inspection of all supply
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Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 om50c2 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 005–00009 Printed in U.S.A. Form OM50-C2 Pg 4 2–02 Replaces: New Tab 6a 8a
